Category Archives: Hydro/Marine

Ocean Mapping Effort Makes Progress

Two new partnerships will advance Seabed 2030’s mission to map the entire ocean floor this decade    Since ancient Egyptians began studying the Nile River, bathymetry has been the crucial component in hydrography. The great river gave rise to their great civilization, providing fertile soil for farming, water for irrigation, and a means of transportation...

Q&A: 10 Questions with Hydrographer Helen Stewart

Helen Stewart is a multidisciplinary hydrographer with primary focus and expertise in multibeam sonar data processing, including experience in nautical chart surveying, scientific seabed mapping, pipeline inspection, geophysical survey, subsea survey work with both AUVs and ROVs, and geotechnical survey work.   How did you get interested in hydrography. Did a specific event trigger your...

The Responsibility to Map the U.S. Coastline

(And the Inevitability of New Geodetic and Tidal Datums) Since the arrival of the first pilgrims to the North American continent, there has been a need for precise knowledge of the coastline of the new country, and the reasons are obvious. Arrival by boat was the only alternative when crossing the Atlantic and escaping religious...

Hydrospatial: The Next Frontier of Hydrography

Staying Fluid The theme for US Hydro 2023 reflects the relevance that our profession and related sciences have in the marine geospatial world. In some circles we are discussing the profile of “the hydrographer of the future” (the Canadian Hydrographic Service is leading a series of workshops on this topic), what they have to learn...

Rachel Layko

23 Young Geospatial Professionals to Watch in 2023 – 9 of 23 Name: Rachel LaykoCompany: Arizona State University     Current position: PhD CandidateAge: 25                Education: BS in biology; minor in marine science, The College of William & Mary In the PhD program at Arizona State University, Layko is working to bring her geospatial background...

THSOA: New Website and US Hydro 2023

Staying Fluid The Hydrographic Society of America (THSOA) is a 501(c)3 non-profit organization committed to promoting education in hydrography, inshore surveying, inland waters surveying, offshore surveying, positioning and mapping/charting, including related earth sciences. We have organized in a National Board, including the president, secretary, treasurer, and four trustees, and our members by geographical regions, in...